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Circle8 is proud partner of the Aston Martin Aramco Formula One® Team. Lees hier meer.
Brussel
3 months
40 hours
Start: January 1, 2026
Deadline: January 1, 2026

C8-005315

Apply now
C8-005315

Functieomschrijving:

As an Experienced Java Full Stack Developer, you will join a cross-functional squad responsible for Java-driven integrations and digital customer applications.

You will work on both backend and frontend components, contributing to the design, development, and maintenance of APIs, microservices, and user interfaces that support internal and external customers.

Key Responsibilities:

  • Develop and maintain Java-based microservices and frontend modules.
  • Implement and document REST and SOAP APIs using Spring Boot.
  • Collaborate on integration projects involving Kafka, third-party applications, and partner systems.
  • Support API Management (Kong), Identity & Access Management (Keycloak/RedHat SSO), and cloud deployments.
  • Contribute to the frontend development of web applications using Vue.js and TypeScript.
  • Review code, ensure best practices, and provide mentorship to junior developers.

Eisen:

Minimum 5 years of professional experience as a Java developer.

Strong hands-on experience with Java 11/17, Spring Boot, and REST API design.

Knowledge of SOAP (JAX-WS/JAX-RS) and XML processing.

Solid front-end experience with JavaScript, TypeScript, Vue.js 2, and responsive HTML/CSS.

Practical experience with Kubernetes, Docker, and Azure DevOps.

Familiarity with Kafka, Kong Gateway, and Keycloak for integration and authentication.

Fluent in English and French or Dutch.

Belgian citizenship and residence in Belgium required.

Willing to work onsite 2 days per week (hybrid).

Wensen:

Passionate about both backend and frontend development.

Enjoys working in an agile, cross-functional environment.

Interested in modern Java frameworks, API-driven architectures, and cloud ecosystems.

Curious about continuous improvement and eager to learn from peers.

Competenties:

Strong analytical and conceptual thinking.

Excellent problem-solving and debugging skills.

Clear communication and collaboration across technical teams.

Quality-driven with attention to performance, scalability, and security.

Capable of mentoring and providing technical guidance to others.

Over de klant:

Our client is a leading international organization in the energy and utilities sector, focused on delivering innovative digital services and solutions that support the energy transition.

The company operates within an agile framework, with teams (Tribes, Chapters, and Squads) collaborating to build modern, customer-centric energy platforms and digital tools.

Your path to success?

In 7 steps and a few days

Racing car
  • 1

    Find your assignment

  • 2

    Apply: send us your CV

  • 3

    We’ll match your profile with the assignment (and client)

  • 4

    Introductory phone call with a recruiter from Circle8

  • 5

    Is there a match? We'll introduce you.

  • 6

    Intake interview with the client

  • 7

    Contract en let's go!